Home / 19,581.40-27,022.40-10,628.90

Finding the Fourth Proportional to 19,581.40, 27,022.40 and 10,628.90

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Solution

The fourth proportional to 19,581.40, 27,022.40 and 10,628.90 is: 14,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.40 : 27,022.40 = 10,628.90 : x
  2. Step 2: Convert to fraction form
    19,581.40/27,022.40 = 10,628.90/x
  3. Step 3: Cross multiply
    19,581.40x = 27,022.40 × 10,628.90
  4. Step 4: Simplify right side
    19,581.40x = 287,218,387.36
  5. Step 5: Solve for x
    x = 287,218,387.36/19,581.40
  6. Step 6: Final answer
    x = 14,667.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.